1.
A.
circumference
B.
diameter
C.
radius
D.
center
Hint
2.
The diameter of a circle is 7.5. Find the circumference to the nearest tenth.
A.
16.8
B.
23.6
C.
47.1
D.
35.4
Hint
3.
A.
25
B.
90
C.
65
D.
115
Hint
4.
A.
7.8
B.
24.6
C.
12.3
D.
1.6
Hint
5.
A.
22
B.
9
C.
5
D.
4
Hint
6.
A.
90
B.
35
C.
290
D.
70
Hint
7.
In the figure, the segment is ____ to the circle.
A.
interior
B.
supplementary
C.
tangent
D.
inscribed
Hint
8.
Find
.
A.
105
B.
100
C.
80
D.
25
Hint
9.
A.
12.2
B.
9.6
C.
8.3
D.
7.1
Hint
10.
is a diameter of the circle. Find the value of
x
.
A.
B.
C.
D.
7
Hint
11.
What can you assume from the following figure?
A.
H
is the center of the circle.
B.
is a diameter of the circle.
C.
GHK
is isosceles.
D.
m
J
+
m
GKI
= 180.
Hint
12.
Find the value of
x
.
A.
12
B.
7.5
C.
3
D.
6
Hint
13.
The center of the circle with equation (
x
+ 4)
2
+ (
y
+ 15)
2
= 49 has coordinates ________.
A.
(4, -15)
B.
(4, 15)
C.
(-4, 15)
D.
(-4, -15)
Hint
14.
Which is an equation of the circle with center at (11, -19) and diameter 12?
A.
(
x
- 11)
2
+ (
y
+ 19)
2
= 36
B.
(
x
+ 11)
2
+ (
y
- 19)
2
= 36
C.
(
x
+ 11)
2
+ (
y
- 19)
2
.= 144
D.
(
x
- 11)
2
+ (
y
+ 19)
2
= 144
Hint
15.
is tangent to
C
. Find
x
.
A.
B.
12
C.
D.
6
Hint
16.
A.
125
B.
37.5
C.
62.5
D.
75
Hint